Global Patent Index - EP 0636666 B1

EP 0636666 B1 20000524 - Pigment preparations with perylene derivatives as dispersing agent

Title (en)

Pigment preparations with perylene derivatives as dispersing agent

Title (de)

Pigmentzubereitungen mit Perylenderivaten als Dispergiermittel

Title (fr)

Préparations pigmentaires contenant des dérivés de pérylène en tant qu'agent dispersant

Publication

EP 0636666 B1 20000524 (DE)

Application

EP 94111339 A 19940721

Priority

DE 4325247 A 19930728

Abstract (en)

[origin: EP0636666A2] Pigment preparations comprising (a) at least one organic pigment; (b) at least one perylene derivative of the general formula I <IMAGE> where the variables have the following definitions: A is -O-, -CH2- or -NR<1>-; B<1> and B<2> independently of one another are a chemical bond, -O-, -CH2-, -NR<2>-, -S-, -CO-, -SO2- or -SO2-NH-; L<1> and L<2> are independently of one another a chemical bond, phenylene or C1-C8-alkylene; X is -SO3<(-)>Ka<(+)>; Y is -CO2Ka<(+)>; Z is chlorine or bromine m is from 0 to 4; n is 0 or 1 and (m+n) is from 1 to 4; p is from 0 to 4; as dispersant; (c) if desired, further customary pigment preparation additives.

IPC 1-7

C09B 67/22; C09B 67/20; C08K 5/00

IPC 8 full level

C09B 67/20 (2006.01); C08K 5/00 (2006.01); C08K 5/42 (2006.01); C09B 67/22 (2006.01)

CPC (source: EP US)

C08K 5/0041 (2013.01 - EP US); C08K 5/42 (2013.01 - EP US); C09B 67/0033 (2013.01 - EP US); C09B 67/0041 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE DK FR GB LI

DOCDB simple family (publication)

EP 0636666 A2 19950201; EP 0636666 A3 19960306; EP 0636666 B1 20000524; DE 4325247 A1 19950202; DE 59409373 D1 20000629; JP 3650633 B2 20050525; JP H0770461 A 19950314; US 5472494 A 19951205

DOCDB simple family (application)

EP 94111339 A 19940721; DE 4325247 A 19930728; DE 59409373 T 19940721; JP 17567894 A 19940727; US 26638394 A 19940627